Ice skate



FIG. 1 is a front perspective view of an ice skate showing our new design;

FIG. 2 is a rear perspective view thereof; and,

FIG. 3 is a side view thereof.

The broken line surrounding the shaded area forms an unclaimed boundary of the design. The broken line showing of various features within the shaded area and of the remainder of the ice skate is for illustration purposes only and forms no part of the claimed design. 

The ornamental design for an ice skate, as shown and described. 